12 Days of Christmas
883
889
24 Game
18
99 Bottles of Beer
368
990
656
1913
Abundant Numbers
526
799
773
271
Abundant Numbers (Long)
508
797
903
Arabic to Roman
937
Arithmetic Numbers
2
3
2
911
Ascending Primes
134181
ASCII Table
302
260
brainfuck
75
255
Card Number Validation
582
Catalan Numbers
14
714
2744
Catalan’s Constant
8596
103
95
71
43
163
146
514
186148
Christmas Trees
102
91
943
110
72
Collatz
13
2351
8
13
67217
835
12
31
21
CSS Colors
220
Cubes
33
Day of Week
851
Diamonds
61
59
856
47
37
Divisors
769
63932
960
984
83
28
Emirp Numbers
418
580
708455
444
507
Emirp Numbers (Long)
63
Emojify
405
508
Evil Numbers
832
375
641
755
669
429
Evil Numbers (Long)
842
644
741
Factorial Factorisation
104
Farey Sequence
13
16
11
15
Fibonacci
509
544
880
190
800
987
689
449
265191
Fizz Buzz
341139
149
96
992134
947
99
977
924118
161183159110
Foo Fizz Buzz Bar
14
Gijswijt’s Sequence
29
38
Happy Numbers
829
440
Happy Numbers (Long)
124
Inventory Sequence
20
Kolakoski Constant
109
104
83
64
6797
67
152
149
120170
Kolakoski Sequence
24
17
Leap Years
942
771
43
Leyland Numbers
50
766
10785
ln 2
28
Look and Say
40
925
57
38
Lucky Numbers
3
Medal Tally
705
Morse Decoder
247
385
Morse Encoder
227
Niven Numbers
802
828
778
520
382
Niven Numbers (Long)
939
7
Number Spiral
247
Odious Numbers
970
619
784
401
Odious Numbers (Long)
967
622
783
Pangram Grep
874
Pascal’s Triangle
789
502
44
Pernicious Numbers
972
197
316
Pernicious Numbers (Long)
1,000
364
3
Polyominoes
35
Prime Numbers
1,000
530
761
643
402
553410
Prime Numbers (Long)
1,000
680
426
Quine
602
949
944
Recamán
750
76
Reverse Polish Notation
508
Rijndael S-box
142
ROT13
880
Seven Segment
756
Sierpiński Triangle
417293102102
98112109100136350
13482117123111127
16464118571121119180571161281561733928887108991108086140136
201106133
1055797
Smith Numbers
38
79
Sudoku
253
Tongue-twisters
492
634
541
Tower of Hanoi
18
Trinomial Triangle
26
United States
544
117
Vampire Numbers
130
Van Eck Sequence
237
619
18
γ
512
517
λ
503
262201
191
209178
200
267
186
143
495
162493
159
172148323
525499
479514
π
97
58624
60
269
132
τ
51
67
130
φ
8195
4953
35
3085
51
122
√2
27
132
𝑒
596199788085
55
443855734655
95
120
87954830
8110711613026623846467150337103
5931619562198838482